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13242053 = 113138833
BaseRepresentation
bin110010100000…
…111011000101
3220220202200102
4302200323011
511342221203
61151453445
7220361366
oct62407305
926822612
1013242053
117524a50
124527285
132988446
141a89b6d
151268888
hexca0ec5

13242053 has 8 divisors (see below), whose sum is σ = 14912256. Its totient is φ = 11649600.

The previous prime is 13242049. The next prime is 13242071. The reversal of 13242053 is 35024231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13242053 - 22 = 13242049 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19076 + ... + 19757.

It is an arithmetic number, because the mean of its divisors is an integer number (1864032).

Almost surely, 213242053 is an apocalyptic number.

It is an amenable number.

13242053 is a deficient number, since it is larger than the sum of its proper divisors (1670203).

13242053 is a wasteful number, since it uses less digits than its factorization.

13242053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38875.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13242053 is about 3638.9631765106. The cubic root of 13242053 is about 236.5838567210.

Adding to 13242053 its reverse (35024231), we get a palindrome (48266284).

It can be divided in two parts, 1324 and 2053, that multiplied together give a palindrome (2718172).

The spelling of 13242053 in words is "thirteen million, two hundred forty-two thousand, fifty-three".

Divisors: 1 11 31 341 38833 427163 1203823 13242053